大约有 39,000 项符合查询结果（耗时：0.0787秒） [XML]
Preserve colouring after piping grep to grep
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165
grep sometimes disables the color output, for example when writing to a pipe. You can override t...
Is element block level or inline level?
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edited Dec 30 '15 at 2:38
answered Mar 8 '10 at 16:21
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How to start two threads at “exactly” the same time
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135
To start the threads at exactly the same time (at least as good as possible), you can use a Cycl...
Loadbalancing web sockets
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oberstetoberstet
18.5k77 gold badges5656 silver badges8888 bronze badges
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Compute a confidence interval from sample data
...s np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
a = 1.0 * np.array(data)
n = len(a)
m, se = np.mean(a), scipy.stats.sem(a)
h = se * scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
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A field initializer cannot reference the nonstatic field, method, or property
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145
This line:
private dynamic defaultReminder =
reminder.TimeSpanText[T...
What is the standard exception to throw in Java for not supported/implemented operations?
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457
java.lang.UnsupportedOperationException
Thrown to indicate that the requested operation is ...
Latex Remove Spaces Between Items in List
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15
If you want to remove the spacing globally for every list in your document just put \setlist[itemize]{noitemsep} in your preamble.
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The order of keys in dictionaries
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answered Apr 12 '11 at 0:25
Abhinav GuptaAbhinav Gupta
4,03211 gold badge1919 silver badges1717 bronze badges
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In Postgresql, force unique on combination of two columns
...AEN2038
– ndequeker
Feb 3 '17 at 13:53
How can I implement this in schema definition?
– wagng
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